DOMDocument->createProcessingInstruction Creates new PI node &reftitle.description; DOMDocument DOMProcessingInstruction createProcessingInstruction stringtarget stringdata This function returns a new instance of class DOMProcessingInstruction. The content of the pi is the value of the passed parameter. &dom.node.inserted; The return value is &false; if an error occurred. See also DOMNode->appendChild(), DOMDocument->createElement(), DOMDocument->createAttribute() and DOMDocument->createComment().